Azure SQL is one the flagship services of Azure. Millions of customers are using this service today and it provides all the enterprise capabilities that are needed for a mission-critical database management system. There are multiple deployment types for Azure SQL, such as single instance, Managed Instance, and elastic pools. Architects should do a complete assessment of their requirements and choose the appropriate deployment model. After they choose a deployment model, they should choose a pricing strategy between DTUs and vCPUs. They should also configure all the security, availability, disaster recovery, monitoring, performance, and scalability requirements in Azure SQL with regard to data.